op 	 {
  name: "QuantizeAndDequantizeV4Grad"
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    name: "gradients"
    type_attr: "T"
  }
  input_arg {
    name: "input"
    type_attr: "T"
  }
  input_arg {
    name: "input_min"
    type_attr: "T"
  }
  input_arg {
    name: "input_max"
    type_attr: "T"
  }
  output_arg {
    name: "input_backprop"
    type_attr: "T"
  }
  output_arg {
    name: "input_min_backprop"
    type_attr: "T"
  }
  output_arg {
    name: "input_max_backprop"
    type_attr: "T"
  }
  attr {
    name: "T"
    type: "type"
    allowed_values {
      list {
        type: DT_BFLOAT16
        type: DT_HALF
        type: DT_FLOAT
        type: DT_DOUBLE
      }
    }
  }
  attr {
    name: "axis"
    type: "int"
    default_value {
      i: -1
    }
  }
}
